This document discusses MongoDB options on Azure, including MongoDB on Azure Virtual Machines (VMs). It provides an overview of Azure and the different deployment models. MongoDB can be installed on Linux or Windows VMs on Azure, which provide up to 112GB of RAM and 16TB of attached storage. MongoDB is also available as a hosted service on Azure from providers like MongoLab and MongoDB Inc. The document demonstrates how to provision a MongoDB replica set across Azure VMs and configure endpoints. It provides examples of automating MongoDB deployments on Azure and links to additional resources for using MongoDB on Azure.